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Performance Comparison of Common Pressure Sensors
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Performance Comparison of Common Pressure Sensors

Views:128     Author:Site Editor     Publish Time: 2019-05-29      Origin:Site

How to select a suitable pressure sensor sometimes is a difficult decision.

There are some tips for you.

There are six common types of pressure sensor in our market, it's hard to say which one is the best,

However, we can select the most suitable one upon our application and practical condition.

we can use below table to analyze their different performances and features.



①Ceramic   capacitive pressure sensor②Ceramic   piezoresistive pressure sensor③MEMS(Normal)MEMS(Silicon   oil filled)⑤Glass   melt(including sapphire)Film sputtering   pressure senor
Pressure Range0.01~200Bar0.2~500Bar0.001~50Bar0.01~500Bar10~3000Bar1~3000Bar
Application EnvironmentWater,   oil, gas, refrigerant, acidWater,   oil, gas, refrigerant, acidAirWater,   oil, gas, refrigerant, acidWater,   oil, gas, refrigerant, acidWater,   oil, gas, refrigerant, acid
Overload AbilityNormal
    (2~5times)
Worst
    (2~3times)
Good
    (2~10times)
Normal
    (2~5times)
Normal
    (2~5times)
Normal
    (2~5times)
Temperature drift coefficientSmall
    Not need temperature compensation
Big
    Need temperature compensation
Big
    Need temperature compensation
Big
    Need temperature compensation
Normal
    Need temperature compensation
Normal
    Need temperature compensation
Long-term stabilityNormalBadNormalGoodGoodGood
CostLowLowLowestNormalNormalHigh
AdvantageLow   cost in low pressureLow   cost in low pressureLowest   cost in low pressureHigh   precision in mid and high pressureLow   cost in high pressureHigh   precision in mid and high pressure
DisadvantageCost   is greatly increased when accuracy improvedLong   term stability is poorNo   resistant to liquid corrosionProduction   process is complexLow   sensitivity in low and mid pressure rangeIsolation   voltage is lower than 500V
Ideal Application EnvironmentAutomotive,   petrochemical, water supplyHome   appliance, civilian industry products(low requirements)Car,   Cell phone, medicalAir   conditioning, industrial controls and measurements, instruments, metersDiesel   common rail and gasoline direct injection system (DIG) Automobile brake   systemAerospace,   high-speed rail, oil extraction


TM Automation mainly provide ceramic capacitive, silicon oil filled and thin film sputtering three types of pressure sensor to fulfill various application environment and different cost range.




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